macros/gnome-guile-checks.m4

   1 dnl
   2 dnl GNOME_CHECK_GUILE (failflag)
   3 dnl
   4 dnl if failflag is "fail" then GNOME_CHECK_GUILE will abort if guile is not found.
   5 dnl
   6
   7 AC_DEFUN([GNOME_CHECK_GUILE],
   8 [
   9 dnl     AC_MSG_WARN([Withval is: $withval])
  10         guile_msg = 'Huh?'
  11 if test x$withval = xno ; then
  12         guile_msg = 'disabled'
  13         GUILE_LIBS=
  14         GUILE_INCS=
  15         AC_SUBST(GUILE_LIBS)
  16         AC_SUBST(GUILE_INCS)
  17         AM_CONDITIONAL(GUILE, /bin/false)
  18 else
  19         guile_msg="no"
  20
  21         saved_ldflags="$LDFLAGS"
  22         saved_cppflags="$CPPFLAGS"
  23         LDFLAGS="$LDFLAGS $GNOME_LIBDIR"
  24
  25         AC_CHECK_LIB(qthreads,qt_null,[
  26                 QTTHREADS_LIB="-lqthreads"
  27         ],[
  28                 AC_CHECK_LIB(qt, qt_null, QTTHREADS_LIB="-lqt")
  29         ],$LIBS)
  30         AC_SUBST(QTTHREADS_LIB)
  31
  32         AC_CHECK_LIB(termcap,main,TERMCAP_LIB="-ltermcap")
  33         AC_CHECK_LIB(readline,main,READLINE_LIB="-lreadline",,$TERMCAP_LIB)
  34
  35         AC_SUBST(TERMCAP_LIB)
  36         AC_SUBST(READLINE_LIB)
  37
  38         if test "x$cross_compiling" = "xyes" ; then
  39           name_build_guile="$target_alias-guile-config"
  40         else
  41           name_build_guile="guile-config"
  42         fi
  43
  44         AC_CHECK_PROG(BUILD_GUILE, $name_build_guile, yes, no)
  45
  46         if test "x$BUILD_GUILE" = "xyes"; then
  47             AC_MSG_CHECKING(whether $name_build_guile works)
  48             if test x`$name_build_guile --version >/dev/null 2>&1 || \
  49                 echo no` = xno; then
  50                 BUILD_GUILE=no
  51             fi
  52             AC_MSG_RESULT($BUILD_GUILE)
  53         else
  54
  55             if test "x$cross_compiling" = "xyes" ; then
  56                 name_build_guile="$target_alias-build-guile"
  57             else
  58                 name_build_guile="build-guile"
  59             fi
  60
  61             AC_CHECK_PROG(BUILD_GUILE, $name_build_guile, yes, no)
  62
  63             if test "x$BUILD_GUILE" = "xyes"; then
  64                 AC_MSG_CHECKING(whether $name_build_guile works)
  65                 if test x`$name_build_guile --version >/dev/null 2>&1 || \
  66                     echo no` = xno; then
  67                     BUILD_GUILE=no
  68                 fi
  69                 AC_MSG_RESULT($BUILD_GUILE)
  70             fi
  71         fi
  72
  73         AC_CHECK_LIB(m, sin)
  74
  75         if test "x$BUILD_GUILE" = "xyes"; then
  76                 AC_MSG_CHECKING(for guile libraries)
  77                 GUILE_LIBS="`$name_build_guile link`"
  78                 AC_MSG_RESULT($GUILE_LIBS)
  79                 AC_MSG_CHECKING(for guile headers)
  80                 GUILE_INCS="`$name_build_guile compile`"
  81                 AC_MSG_RESULT($GUILE_INCS)
  82         else
  83                 GUILE_LIBS="$GNOME_LIBDIR"
  84                 GUILE_INCS="$GNOME_INCLUDEDIR"
  85                 AC_CHECK_LIB(rx, main, GUILE_LIBS="-lrx $GUILE_LIBS")
  86                 AC_CHECK_LIB(qt, qt_null, GUILE_LIBS="-lqt $GUILE_LIBS")
  87                 AC_CHECK_LIB(dl, dlopen, GUILE_LIBS="-ldl $GUILE_LIBS")
  88                 AC_CHECK_LIB(nsl, t_accept, GUILE_LIBS="$GUILE_LIBS -lnsl")
  89                 AC_CHECK_LIB(socket, socket, GUILE_LIBS="$GUILE_LIBS -lsocket")
  90                 GUILE_LIBS="-lguile $GUILE_LIBS $QTTHREADS_LIB $READLINE_LIB $TERMCAP_LIB"
  91         fi
  92
  93         AC_SUBST(GUILE_LIBS)
  94         AC_SUBST(GUILE_INCS)
  95
  96         saved_LIBS="$LIBS"
  97         LIBS="$LIBS $GUILE_LIBS"
  98         CPPFLAGS="$saved_cppflags $GUILE_INCS"
  99
 100         AC_MSG_CHECKING(whether guile works)
 101         AC_TRY_LINK([
 102                 #include <libguile.h>
 103                 #include <guile/gh.h>
 104         ],[
 105                 gh_eval_str("(newline)");
 106                 scm_boot_guile(0,NULL,NULL,NULL);
 107         ],[
 108                 ac_cv_guile_found=yes
 109                 AC_DEFINE(HAVE_GUILE)
 110         ],[
 111                 ac_cv_guile_found=no
 112         ])
 113         AC_MSG_RESULT($ac_cv_guile_found)
 114
 115         guile_msg=$ac_cv_guile_found
 116
 117         if test x$ac_cv_guile_found = xno ; then
 118                 if test x$1 = xfail ; then
 119                   AC_MSG_ERROR(Can not find Guile on this system)
 120                 else
 121                   AC_MSG_WARN(Can not find Guile on this system)
 122                 fi
 123                 ac_cv_guile_found=no
 124                 GUILE_LIBS= GUILE_INCS=
 125         fi
 126
 127         LIBS="$saved_LIBS"
 128         LDFLAGS="$saved_ldflags"
 129         CPPFLAGS="$saved_cppflags"
 130
 131         AC_SUBST(GUILE_LIBS)
 132         AM_CONDITIONAL(GUILE, test x$ac_cv_guile_found = xyes)
 133 fi
 134 ])